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DEA-C02 · Question #15
The following is returned from SYSTEM$CLUSTERING_INFORMATION() for a table named ORDERS with a DATE column named O_ORDERDATE: What does the total_constant_partition_count value indicate about this tab
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Performance Optimization
Question
The following is returned from SYSTEM$CLUSTERING_INFORMATION() for a table named ORDERS with a DATE column named O_ORDERDATE:
What does the total_constant_partition_count value indicate about this table?
Exhibit
Options
- AThe table is clustered very well on O_ORDERDATE, as there are 493 micro-partitions that could
- BThe table is not clustered well on O_ORDERDATE, as there are 493 micro-partitions where the
- CThe data in O_ORDERDATE does not change very often, as there are 493 micro-partitions
- DThe data in O_ORDERDATE has a very low cardinality, as there are 493 micro-partitions where
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Topics
#Clustering#Micro-partitions#Performance Optimization#SYSTEM$CLUSTERING_INFORMATION